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【判断题】
PCR反应中我们用的延伸温度为72 °C。()A.
正确
B.
错误
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【单选题】Look!There ______ an egg, a bottle of milk and several pieces of bread on the table.
A.
are
B.
is
C.
was
D.
were
【简答题】句型转换。 1. May I smoke here? (否定回答) No, ______ ______. 2. Look! There is some milk in the glass. (改为否定句) Look! There milk in the glass. 3. This bag is made of leather. (对画线部分提问) this bag ? 4. How do you...
【多选题】Wrting:回复邀请信时要注意什么？
A.
回复邀请时要表示感激、愉悦
B.
回复邀请时要明确表示接受还是拒绝
C.
如果拒绝，拒绝时使用的话语要委婉，要说明不能接受邀请的原因
【简答题】When you boil the milk you must _______ it carefully. A．look at B．notice C．see D．watch
【单选题】Look at a short dialogue: A: “Most milk comes from horses.” B: “No, most milk comes from cows.” Which word is likely to have more stress than any other?
A.
Cows
B.
Milk (in B's sentence)
C.
Milk (in A's sentence)
D.
Horses
【单选题】听力原文：A: How about a pound of milk for our breakfast? But it doesn't seem to look fresh now.Do you think it is still all right to drink? B: Let me smell it. Well, it is gone off. If I were you, I would...
A.
The milk is safe to drink.
B.
The milk is not safe to drink.
C.
She shouldn't have bought the milk.
D.
He wouldn't have milk for breakfast.
【简答题】句型转换。 1. May I smoke here? (否定回答) No, . 2. Look! There is some milk in the glass. (改为否定句) Look! There milk in the glass. 3. This bag is made of leather . (提问) this bag ? 4. How do you like the film? (...
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